Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Sanguessuga surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 5 am Friday 12 Dec 2025 WETForecast update in hr min s Forecast update imminent
Sanguessuga surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sanguessuga sea temperature is
16.4° C
(Which is slightly cooler than normal)How big are the waves at Sanguessuga today?
The current surf forecast for Sanguessuga at 9AM is: 2.3m 13s primary swell from a West-northwest direction and 1.7m 17s secondary swell from a West-northwest direction, 1.1m 4s secondary swell from a South direction (forecast issued at 05:00am December 12). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 7.5ft (2.3m) | 13s |
| Afternoon (12 Dec) | 13ft (4.0m) | 16s |
| Evening (12 Dec) | 15ft (4.5m) | 19s |
Table - waves today at Sanguessuga. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 12 | 16 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2118 | 2084 | 1788 | 2438 | 8532 | 13079 | 14557 | 13803 | 12876 | 11974 | 10569 | 8904 | 6816 | 5526 | 4529 | 3265 | 2541 | 2233 | 1922 | 1367 | 1223 | 1223 | 1164 | 1785 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | off | off | off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | glass |
High Tide / height (m) | 8:21AM 2.83 | 9:10PM 2.59 | 9:29AM 2.76 | 10:15PM 2.63 | 10:32AM 2.74 | 11:11PM 2.71 | ||||||||||||||||||
Low Tide / height (m) | 1:59AM 1.38 | 2:58PM 1.25 | 3:14AM 1.42 | 4:02PM 1.26 | 4:22AM 1.39 | 4:56PM 1.23 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
 | |  | | | | |  | |  |  |  | | | |  | | | | | | | | | |
Rain (mm) | 1 | 3 | 4 | 1 | 2 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 15 | 17 | 15 | 13 | 13 | 11 | 10 | 10 | 15 | 17 | 15 | 14 | 13 |
| Feels °C (?) | 11 | 10 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 7 | 11 | 13 | 11 | 9 | 9 | 8 | 6 | 7 | 12 | 14 | 13 | 13 | 12 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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